<template>
  <view>
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/good_detail/good_detail?good_id=' + item.goods.id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层展示 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <view class="floor-img-box">
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
            <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>  
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 轮播图的数据列表,默认为空数组
        swiperList: [],
        // 分类导航数据
        navList: [],
        // 楼层的数组列表
        floorList: []
      };
    },
    onLoad() {
      this.getSwiperList()
      this.getnavList()
      this.getfloorList()
    },
    methods: {
        // 3. 获取轮播图数据的方法
        async getSwiperList() {
          // 3.1 发起请求
          const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
          // console.log(res)
          // 3.2 请求失败
          // if (res.meta.status !== 200) {
          //   return uni.showToast({
          //     title: '数据请求失败！',
          //     duration: 1500,
          //     icon: 'none',
          //   })
          // }
          if (res.meta.status !== 200) return uni.$showMsg()
          // 3.3 请求成功，为 data 中的数据赋值
          this.swiperList = res.message
        },
        async getnavList() {
          const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
          if (res.meta.status !== 200) return uni.$showMsg()
          // console.log(res)
          this.navList = res.message
        },
        navClickHandler(item) {
          if (item.name === '分类') {
            uni.switchTab({
              url: '/pages/cate/cate'
            })
          }
        },
        async getfloorList() {
          const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
          if (res.meta.status !== 200) return uni.$showMsg()
          // 通过双层for循环,处理URL地址
          res.message.forEach(floor => {
            floor.product_list.forEach(prod => {
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
          this.floorList = res.message
        }
      }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,
  image {
    width: 100%;
    height: 100%;
  }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;

  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
</style>
